Patents by Inventor Chih-Feng Tu

Chih-Feng Tu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8584318
    Abstract: A door hinge with a quick removal structure includes a first body, a second body, a bushing, a pivot and a ball. A first socket and a second socket are coupled to the first body and the second body respectively, and a first slide groove is formed on an inner wall of the first socket. The connection and separation of the first body with the second body can be determined by the control of the position of the ball to set the status of the door hinge and achieve the quick removal effect.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: November 19, 2013
    Inventor: Chih-Feng Tu